What to do during off season for your sport (CrossFit/running/weightlifting/basketball)

Off season can be a difficult time for athletes. They don’t know how to train and typically fall into one of two categories. They keep playing their sport and eventually burn out or get hurt. Or they sit around and don’t train anything and come into the season out of shape and struggle to get back to where they were before the season ended. How you should train matters during off season.